Best Car Alternator Pulleys of 2026

The 13-piece set of alternator pulley repair decoupler tool kit is made of durable chrome vanadium steel. It can be used on or off the vehicle to replace the pulley, reduce vehicle vibration, and extend the life of the belt and belt tensioner. The kit includes both standard and short lengths of spline and star socket bits for removing the freewheel drive pulley of Bosch-type alternators.

The IAP Performance AC903111 Alternator/Generator Pulley, also known as the IAP Performance Pulley, is a chrome-finished pulley designed specifically for 12 volt engines in VW Beetles. This pulley not only adds a custom look to your vehicle, but it also serves as a direct replacement for the stock pulley. The chrome finish gives your engine a sleek and stylish appearance, enhancing the overall aesthetic of your Beetle. With its stock design, installation is a breeze, making it convenient for DIY enthusiasts. By replacing your old pulley with the IAP Performance Pulley, you can give your Beetle an upgraded look and enjoy the convenience of a direct replacement part.

The ACDelco GM 93740746 Alternator Pulley is a GM-recommended replacement part for your GM vehicle's original factory component. It offers the quality, reliability, and durability of GM OE. This alternator pulley is manufactured to GM OE specification for fit, form, and function. With this ACDelco Alternator Pulley, you can ensure that your GM vehicle's alternator functions optimally, providing the necessary power to keep your electrical system running smoothly. It is designed to fit perfectly into your GM vehicle, making installation hassle-free. The ACDelco Alternator Pulley is a reliable and durable choice for maintaining the performance of your GM vehicle's alternator.

The IAP Alternator Pulley is designed to keep your VW Beetle running smoothly by efficiently driving both the cooling fan and the alternator. Made in Mexico, this pulley ensures high-quality construction, giving you a reliable part that can handle daily demands. Its design guarantees the right fit and proper function, so you won’t have to worry about compatibility or performance issues. Plus, it’s a direct bolt-on replacement, making installation straightforward and saving you time and effort. With this pulley, you can maintain your vehicle’s cooling and electrical systems with confidence.

This plain GM Alternator Belt Pulley adapts your GM alternator to its original 5/8" belt, fitting all Powermaster and most GM alternators. The pulley has a bolt hole length of .71" and is made of premium steel, zinc-plated to prevent rust and corrosion.

The OEG Clutch Pulley is designed as a direct replacement part compatible with various Volkswagen Passat models featuring the 2.0L engine from 2006 to 2008. It comes with a wide range of replacement part numbers, making it easy for you to find the exact match for your vehicle. This pulley is brand new and made with high-quality components to ensure durability and reliable performance. While it doesn't include mounting hardware, it matches the original equipment finish, providing a seamless fit and maintaining your car’s original look and function. You can trust this product to meet or exceed the standards set by the original manufacturer.

The Litens Alternator Pulley is a reliable auto part designed to fit your vehicle's needs. It measures just over 5 inches in length and width, making it compact and easy to handle during installation. Weighing 1.3 pounds, it’s lightweight enough to not add unnecessary bulk to your car’s alternator system. This product comes as a single unit, so you get exactly what you need without extra parts. As an Overrunning Alternator Decoupling (OAD) pulley, it helps reduce wear and tear on your alternator by absorbing vibrations, which can extend the life of your vehicle’s electrical system.

The NEWZQ Hummer H3 Alternator is a reliable replacement designed specifically for the 2006 Hummer H3 with a 3.5L engine. It matches original equipment (OE) specifications, ensuring a perfect fit and dependable performance. This alternator operates at 130 amps and 12 volts, providing sufficient power to keep your vehicle's electrical system running smoothly. With an internal regulator, the alternator automatically controls voltage output, protecting your battery and electrical components from damage. Additionally, the built-in internal fan helps keep the alternator cool, improving its durability and efficiency. The 6-groove pulley design ensures compatibility with your vehicle’s belt system, making installation straightforward and hassle-free.

The Bevinsee LS Overdrive Pulley is crafted from aircraft-grade 6061 billet aluminum, ensuring you get a strong and long-lasting part that can handle tough conditions. Its CNC machining process guarantees precise fitment, so you won’t have to worry about installation issues or performance problems. The anodized black finish not only gives the pulley a sleek, sporty appearance but also protects it from rust and corrosion, keeping it looking great over time. Designed to be easy to install, this pulley works with LS type 6-Rib alternators, making it a perfect upgrade for your LS Swap setup without complicated steps.

The Continental Decoupler Pulley is designed with practical dimensions of about 4.8 by 4.7 by 3.3 inches, making it compact enough for easy installation and fitment. Weighing just under one pound, it’s lightweight, so you won’t have to worry about adding extra bulk to your vehicle. This product comes as a single unit, so you get exactly what you need without extra parts. As an auto part specifically made for car alternator pulleys, it’s crafted to help maintain smooth engine operation, reducing wear and tear on your vehicle’s alternator system.